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/*************************************************************************
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* Sun Microsystems Inc . , October , 2000
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* GNU Lesser General Public License Version 2 . 1
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* Copyright 2000 by Sun Microsystems , Inc .
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* Sun Industry Standards Source License Version 1 . 1
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* The contents of this file are subject to the Sun Industry Standards
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************************************************************************/
/*************************************************************************
* @ file
* For LWP filter architecture prototype
************************************************************************/
#ifndef INCLUDED_LOTUSWORDPRO_INC_LWPOBJID_HXX
#define INCLUDED_LOTUSWORDPRO_INC_LWPOBJID_HXX
#include <sal/config.h>
#include <config_lgpl.h>
#include <rtl/ref.hxx>
#include "lwpobjstrm.hxx"
#include "lwpdefs.hxx"
class LwpObject;
/**
* @ brief object id class
*/
class LwpObjectID
{
public :
LwpObjectID();
private :
sal_uInt32 m_nLow;
sal_uInt16 m_nHigh;
sal_uInt8 m_nIndex;
bool m_bIsCompressed;
public :
void Read( LwpSvStream *pStrm );
sal_uInt32 Read( LwpObjectStream *pStrm );
void ReadIndexed( LwpSvStream* pStrm );
sal_uInt32 ReadIndexed( LwpObjectStream *pStrm );
void ReadCompressed( LwpObjectStream* pObj, LwpObjectID const & prev );
/**
* @ descr return the size of object id with format : low ( 4 bytes ) + high ( 2 bytes )
*/
static sal_uInt32 DiskSize() { return sizeof (sal_uInt32) + sizeof (sal_uInt16); } // sizeof(m_nLow) + sizeof(m_nHigh)
sal_uInt32 DiskSizeIndexed() const ;
bool IsNull() const ;
sal_uInt32 GetLow() const ;
sal_uInt16 GetHigh() const ;
bool operator == (const LwpObjectID &Other) const ;
bool operator != (const LwpObjectID &Other) const ;
rtl::Reference<LwpObject> obj(VO_TYPE tag=VO_INVALID) const ;
size_t HashCode() const ;
};
inline bool LwpObjectID::IsNull() const
{
return (m_nLow == 0 ) && (m_nHigh == 0 );
}
inline bool LwpObjectID::operator == (const LwpObjectID &Other) const
{
return (m_nHigh == Other.m_nHigh) && (m_nLow == Other.m_nLow);
}
inline bool LwpObjectID::operator != (const LwpObjectID &Other) const
{
return (m_nHigh != Other.m_nHigh) || (m_nLow != Other.m_nLow);
}
inline sal_uInt32 LwpObjectID::GetLow() const
{
return m_nLow;
}
inline sal_uInt16 LwpObjectID::GetHigh() const
{
return m_nHigh;
}
inline size_t LwpObjectID::HashCode() const
{
return static_cast <size_t>(
(m_nIndex == 0 ? 23 * m_nLow : 27 * m_nIndex) + 29 * m_nHigh);
}
#endif
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